NY Property Records
21 St Marks Ln
21 St Marks Ln
Islip · Suffolk County
210 · Residential
Owner of record
OwnerMichael Finnerty &
Mailing address21 ST MARKS LN · ISLIP, NY, 11751
Assessment · 2025 roll
Land assessed$14,600
Total assessed$46,700
Est. annual tax$14,328 (2024, excl. special districts)
Lot
Size0.31 acres
Services & districts
School districtIslip (472802)
Deed & identifiers
Deed book / page12680 / 57
SBL05003710003000170000
Print key371.-3-17
SWIS472889
Parcel ID47288905003710003000170000
Who owns 21 St Marks Ln?
21 St Marks Ln, Islip is owned by Michael Finnerty & per the 2025 NYS assessment roll.
Nearby on St Marks Ln
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it. Disclaimer · Request redaction
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